Since it is designed as a keyring you can carry it every time and got it in an emergencythe kubotan can be ordered in the StabegShop.

Rescue- and all purpose baton (RMS) Protec

The all purpose baton PROTEC is designed for the
professional use at police units. Besides its original function as a
club it has got a metal knob for the use as a rescue hammer. The twist
off handle contains a knive for cutting off seat-belts.Order
in StabegShop

Designed like a
japanese Tonfa the PROTEC allows a skilled person an
effective self defense.You
can buy a PROTEC in the StabegShop.